<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{% block title %}test{% endblock %}</title>
    <link rel="stylesheet" href="{{ url_for('static',filename='base.css') }}">
    <link rel="stylesheet" href="{{ url_for('static',filename='print.css') }}">
</head>
<body>
    
    

            <header class="simplecenter" style="border-bottom: 1px solid green;">{% block header %}{% endblock %}</header>
            <main class="simplecenter">
                <div style="width: 100%;">
                    <h1>Table demo</h1><br>
                    {% block main %}{% endblock %}
                </div>
            </main>
            <footer class="simplecenter" style="border-top: 1px solid green;">{% block footer %}{% endblock %}</footer>
       
   


    


</body>
</html>